What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Austin according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Austin to Illinois on average per week?

As of August 2026, 229 flights take off from Austin and land in Illinois each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

How many flights depart from Austin to Illinois on average per day?

The number of flights available between Austin and Illinois is 32 per day as of August 2026. The most frequent departure time is 3:00PM, with 52% of daily flights leaving at noon.

What is the cheapest airline that flies from Austin Bergstrom to Illinois?

Southwest, Delta, and United Airlines are the most popular carriers operating from Austin Bergstrom to Illinois

When did momondo last update prices for flights from Austin Bergstrom Airport to Illinois?

Prices for flights from Austin Bergstrom Airport to Illinois refresh daily.

How many operators does momondo search for flights from Austin Bergstrom Airport to Illinois?

As of August 2026, there are 6 operators available to choose from for flights from Austin Bergstrom Airport to Illinois.

How old do you have to be to fly from Austin Bergstrom Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$60 Cheap Flights from Austin to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:08 pm - 5:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 32m1 stop Atlanta Hartsfield-Jackson

6:44 pm - 10:31 amSTL Lambert-St Louis-AUS Austin Bergstrom

15h 47m1 stop Atlanta Hartsfield-Jackson

$155Frontier

Wed, Oct 21 - Wed, Oct 28

12:08 pm - 5:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 32m1 stop Atlanta Hartsfield-Jackson

8:00 pm - 7:26 pmSTL Lambert-St Louis-AUS Austin Bergstrom

23h 26m1 stop Denver Intl

$157Frontier

Wed, Oct 21 - Mon, Oct 26

7:30 am - 9:35 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

8:50 pm - 10:55 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Tue, Sep 22 - Tue, Sep 29

7:15 am - 9:20 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

9:45 pm - 11:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Sat, Oct 3 - Mon, Oct 5

3:37 pm - 9:21 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 44m1 stop Chicago O'Hare Intl

5:36 pm - 10:58 pmSTL Lambert-St Louis-AUS Austin Bergstrom

5h 22m1 stop Chicago O'Hare Intl

$222United Airlines

Mon, Oct 5 - Tue, Oct 6

9:24 am - 2:44 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 20m1 stop Dallas/Fort Worth

5:43 am - 9:46 amSTL Lambert-St Louis-AUS Austin Bergstrom

4h 03m1 stop Dallas/Fort Worth

$227American Airlines

Sat, Sep 19 - Mon, Sep 21

8:00 am - 1:16 pmAUS Austin Bergstrom-STL Lambert-St Louis

5h 16m1 stop Chicago O'Hare Intl

5:43 am - 10:44 amSTL Lambert-St Louis-AUS Austin Bergstrom

5h 01m1 stop Dallas/Fort Worth

$227American Airlines

Thu, Oct 1 - Sat, Oct 3

5:10 am - 10:10 amAUS Austin Bergstrom-STL Lambert-St Louis

5h 00m1 stop Houston George Bush Intcntl

8:35 am - 1:22 pmSTL Lambert-St Louis-AUS Austin Bergstrom

4h 47m1 stop Houston George Bush Intcntl

$227United Airlines

Thu, Oct 1 - Sat, Oct 3

10:59 am - 6:13 pmAUS Austin Bergstrom-STL Lambert-St Louis

7h 14m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:05 amSTL Lambert-St Louis-AUS Austin Bergstrom

5h 05m1 stop Atlanta Hartsfield-Jackson

$227Delta

Wed, Nov 18 - Mon, Nov 23

1:37 pm - 9:23 pmAUS Austin Bergstrom-STL Lambert-St Louis

7h 46m1 stop Atlanta Hartsfield-Jackson

5:35 pm - 11:24 pmSTL Lambert-St Louis-AUS Austin Bergstrom

5h 49m1 stop Atlanta Hartsfield-Jackson

$227Delta

Tue, Oct 20 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

8:15 pm - 1:36 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

17h 21m1 stop Denver Intl

6:30 am - 7:26 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

12h 56m1 stop Denver Intl

$280Frontier

Fri, Aug 28 - Sat, Oct 31

6:15 am - 1:36 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

7h 21m1 stop Denver Intl

3:50 pm - 10:03 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

18h 13m1 stop Orlando

$280Frontier

Thu, Aug 27 - Thu, Sep 10

9:00 am - 11:55 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 55mnonstop

8:51 am - 11:49 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 58mnonstop

$327United Airlines

Sat, Aug 29 - Sun, Sep 6

11:35 am - 2:05 pmAUS Austin Bergstrom-MDW Chicago Midway

2h 30mnonstop

6:15 pm - 8:55 pmMDW Chicago Midway-AUS Austin Bergstrom

2h 40mnonstop

$327Southwest

Sat, Aug 29 - Sat, Sep 5

8:15 am - 10:45 amAUS Austin Bergstrom-MDW Chicago Midway

2h 30mnonstop

11:05 am - 1:35 pmMDW Chicago Midway-AUS Austin Bergstrom

2h 30mnonstop

$327Southwest

Sat, Aug 29 - Sun, Sep 6

9:33 am - 2:50 pmAUS Austin Bergstrom-ORD Chicago O'Hare Intl

5h 17m1 stop Houston George Bush Intcntl

1:30 pm - 4:24 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 54mnonstop

$337United Airlines

Sat, Aug 29 - Sat, Sep 5

3:41 pm - 8:26 pmAUS Austin Bergstrom-STL Lambert-St Louis

4h 45m1 stop Dallas/Fort Worth

3:32 pm - 9:33 pmSTL Lambert-St Louis-AUS Austin Bergstrom

6h 01m1 stop Dallas/Fort Worth

$351American Airlines

Sat, Aug 29 - Mon, Aug 31

5:00 am - 9:24 amAUS Austin Bergstrom-STL Lambert-St Louis

4h 24m1 stop Dallas/Fort Worth

9:32 am - 5:29 pmSTL Lambert-St Louis-AUS Austin Bergstrom

7h 57m1 stop Chicago O'Hare Intl

$351American Airlines

Fri, Aug 28 - Tue, Sep 1

12:00 pm - 6:33 pmAUS Austin Bergstrom-MDW Chicago Midway

6h 33m1 stop Detroit Metropolitan Wayne County

4:39 pm - 10:52 pmMDW Chicago Midway-AUS Austin Bergstrom

6h 13m1 stop Atlanta Hartsfield-Jackson

$423Delta

Sat, Aug 29 - Wed, Sep 2

3:00 pm - 10:36 pmAUS Austin Bergstrom-MDW Chicago Midway

7h 36m1 stop Atlanta Hartsfield-Jackson

6:11 am - 1:51 pmMDW Chicago Midway-AUS Austin Bergstrom

7h 40m1 stop Atlanta Hartsfield-Jackson

$423Delta

Wed, Aug 26 - Sat, Aug 29

Cheap direct flights

Enter your travel dates to find the best prices.

12:35 pm - 2:40 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

12:50 pm - 2:55 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Tue, Oct 27 - Thu, Oct 29

2:15 pm - 4:20 pmAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

1:55 pm - 4:00 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Sat, Nov 14 - Mon, Nov 16

7:30 am - 9:35 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

8:50 pm - 10:55 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Tue, Sep 22 - Tue, Sep 29

8:00 am - 10:05 amAUS Austin Bergstrom-STL Lambert-St Louis

2h 05mnonstop

8:45 pm - 10:50 pmSTL Lambert-St Louis-AUS Austin Bergstrom

2h 05mnonstop

$217Southwest

Sat, Sep 12 - Mon, Sep 14

6:00 am - 8:56 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 56mnonstop

9:12 pm - 12:12 amORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 00mnonstop

$261American Airlines

Sat, Oct 10 - Tue, Oct 13

7:41 am - 10:37 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 56mnonstop

1:28 pm - 4:21 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 53mnonstop

$261American Airlines

Wed, Oct 7 - Sat, Oct 10

6:50 am - 9:45 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 55mnonstop

4:00 pm - 7:04 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 04mnonstop

$261United Airlines

Thu, Oct 22 - Mon, Oct 26

7:00 am - 9:45 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

2h 45mnonstop

4:00 pm - 7:04 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

3h 04mnonstop

$261United Airlines

Tue, Nov 17 - Mon, Nov 23

5:53 am - 8:59 amAUS Austin Bergstrom-ORD Chicago O'Hare Intl

3h 06mnonstop

3:00 pm - 5:45 pmORD Chicago O'Hare Intl-AUS Austin Bergstrom

2h 45mnonstop

$261American Airlines

Wed, Sep 23 - Wed, Sep 30

5:05 am - 7:35 amAUS Austin Bergstrom-MDW Chicago Midway

2h 30mnonstop

9:40 pm - 12:15 amMDW Chicago Midway-AUS Austin Bergstrom

2h 35mnonstop

$354JetBlue

Thu, Oct 8 - Mon, Oct 12

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American Airlines flights from Austin to Illinois

Our best American Airlines deals on Austin to Illinois flight tickets

American Airlines

Sep 19

AUS8:00 amAustin Bergstrom

6h 44m

1 stop

STL2:44 pmLambert-St Louis

Sep 22

STL7:00 amLambert-St Louis

4h 54m

1 stop

AUS11:54 amAustin Bergstrom

$227

American Airlines

Sep 22

AUS6:00 amAustin Bergstrom

5h 38m

1 stop

MLI11:38 amMoline Quad-City

Sep 29

MLI4:33 pmMoline Quad-City

6h 03m

1 stop

AUS10:36 pmAustin Bergstrom

$241

American Airlines

Sep 22

AUS6:00 amAustin Bergstrom

5h 38m

1 stop

MLI11:38 amMoline Quad-City

Sep 29

MLI6:00 amMoline Quad-City

9h 42m

2 stops

AUS3:42 pmAustin Bergstrom

$246

Frontier flights from Austin to Illinois

Our best Frontier deals on Austin to Illinois flight tickets

Frontier

Oct 21

AUS12:08 pmAustin Bergstrom

5h 32m

1 stop

STL5:40 pmLambert-St Louis

Oct 28

STL6:44 pmLambert-St Louis

15h 47m

1 stop

AUS10:31 amAustin Bergstrom

$155

Frontier

Oct 21

AUS12:08 pmAustin Bergstrom

5h 32m

1 stop

STL5:40 pmLambert-St Louis

Oct 26

STL8:00 pmLambert-St Louis

23h 26m

1 stop

AUS7:26 pmAustin Bergstrom

$157

Frontier

Oct 1

AUS6:33 pmAustin Bergstrom

18h 37m

1 stop

STL1:10 pmLambert-St Louis

Oct 5

STL2:29 pmLambert-St Louis

27h 19m

1 stop

AUS5:48 pmAustin Bergstrom

$158

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 10/21

12:08 pm-5:40 pm

1 stop5h 32m

Lambert-St Louis

Wed 10/28

6:44 pm-10:31 am

1 stop15h 47m

$155

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 10/21

12:08 pm-5:40 pm

1 stop5h 32m

Lambert-St Louis

Mon 10/26

8:00 pm-7:26 pm

1 stop23h 26m

$157

Quickest round-trip

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 9/22

7:30 am-9:35 am

Nonstop2h 05m

Lambert-St Louis

Tue 9/29

8:50 pm-10:55 pm

Nonstop2h 05m

$217

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 10/3

7:15 am-9:20 am

Nonstop2h 05m

Lambert-St Louis

Mon 10/5

9:45 pm-11:50 pm

Nonstop2h 05m

$217

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Mon 10/5

3:37 pm-9:21 pm

1 stop5h 44m

Lambert-St Louis

Tue 10/6

5:36 pm-10:58 pm

1 stop5h 22m

$222

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Sat 9/19

9:24 am-2:44 pm

1 stop5h 20m

Lambert-St Louis

Mon 9/21

5:43 am-9:46 am

1 stop4h 03m

$227

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 10/1

8:00 am-1:16 pm

1 stop5h 16m

Lambert-St Louis

Sat 10/3

5:43 am-10:44 am

1 stop5h 01m

$227

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Thu 10/1

5:10 am-10:10 am

1 stop5h 00m

Lambert-St Louis

Sat 10/3

8:35 am-1:22 pm

1 stop4h 47m

$227

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Wed 11/18

10:59 am-6:13 pm

1 stop7h 14m

Lambert-St Louis

Mon 11/23

6:00 am-11:05 am

1 stop5h 05m

$227

AustinSt. Louis

AUS Austin Bergstrom - STL Lambert-St Louis

AUSSTL

Austin Bergstrom

Tue 10/20

1:37 pm-9:23 pm

1 stop7h 46m

Lambert-St Louis

Tue 10/27

5:35 pm-11:24 pm

1 stop5h 49m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Austin is in January. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $276.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Austin to Illinois is on a Thursday when prices can be found for as low as $371. Flights from Austin to Illinois on a Sunday will generally be more expensive and average around $563. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Austin to Illinois during this time can be as low as $250. Flights at noon are often more expensive with an average ticket price of $483.

What is the cheapest Austin Bergstrom to Illinois flight route?

Fly from Austin Bergstrom to Chicago Midway for the best Austin Bergstrom - Illinois flight prices

How far in advance should I book a flight from Austin to Illinois?

You are more likely to see cheaper flights to Illinois from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Austin for as low as $248 on momondo.

What cabin class options are available on Austin to Illinois flights?

There are 4 cabin classes available to choose from on Austin to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Austin to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Illinois

Best Price Found	$60
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Austin in the past 72 hours is $60. The best round-trip flight deal from Austin to Illinois found on momondo in the last 72 hours is $155.

The fastest flight from Austin to Illinois takes 2h 05m

Direct flights go from Austin to Illinois every day.

There are 98 airports in Illinois. From Austin there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Austin to Illinois

When did momondo last update prices for flights from Austin Bergstrom Airport to Illinois?
Prices for flights from Austin Bergstrom Airport to Illinois refresh daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Illinois?
As of August 2026, there are 6 operators available to choose from for flights from Austin Bergstrom Airport to Illinois.
How old do you have to be to fly from Austin Bergstrom Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Austin to Illinois?
Based on momondo bookings for flights between Austin and Illinois, the leading plane model is Boeing 737-800, making up 33.89% of the total bookings. Other popular models include Boeing 737 MAX 9 with 14.47%, Boeing 737 MAX 8 with 12.24%, and Airbus A319 with 10.08%.

Best airlines flying from Austin to Illinois

Compare and see reviews for airlines that fly from Austin to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $66	Free Cancellation	Rating 5.6 2,648 reviews	Search Frontier flights
Delta	PriceFrom $162	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta flights
American Airlines	PriceFrom $173	Free Cancellation	Rating 7.1 11,992 reviews	Search American Airlines flights
JetBlue	PriceFrom $173	Free Cancellation	Rating 7.1 3,032 reviews	Search JetBlue flights
Southwest	PriceFrom $176	Free Cancellation	Rating 8.0 4,205 reviews	Search Southwest flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 10,121 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Illinois?

Finding the right flight to Illinois from Austin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from Austin to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Austin to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Austin to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Illinois

Flights to New Yorkfrom $63

Flights to Los Angelesfrom $39

Flights to Orlandofrom $48

Flights to Miamifrom $73

Flights to San Franciscofrom $38

Flights to Chicagofrom $50

Flights to Las Vegasfrom $39

Flights to Washington, D.C.from $58

Flights to Bostonfrom $80

Flights to Fort Lauderdalefrom $58

Flights to Atlantafrom $42

Flights to Dallasfrom $56

Cheap flights from Austin to Illinois from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Illinois departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Austin to Illinois

Our best American Airlines deals on Austin to Illinois flight tickets

Frontier flights from Austin to Illinois

Our best Frontier deals on Austin to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Austin to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Austin Bergstrom to Illinois flight route?

How far in advance should I book a flight from Austin to Illinois?

What cabin class options are available on Austin to Illinois flights?

What is the cheapest airline that flies from Austin Bergstrom to Illinois?

What airlines fly to Illinois?

How many flights depart from Austin to Illinois on average per day?

How many flights depart from Austin to Illinois on average per week?

Cheap Austin to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Austin to Illinois

Best airlines flying from Austin to Illinois

Compare and see reviews for airlines that fly from Austin to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Austin flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

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